Ken Griffin acquired 13.5 Thousand United Therapeutics shares worth $4.07 Million. That's 0.00% of their equity portfolio (1739th largest holding). The first United Therapeutics trade was made in Q2 2013. Since then Ken Griffin bought shares 53 more times and sold shares on 57 occasions. The stake costed the investor $2.1 Million, netting the investor a gain of 93% so far.